Support leg



FIG. 1 is a perspective view of a support leg, showing our new design with the broken-line showing of an associated partition panel segment and casters being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a top plan view;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a right side elevational view, the left side being a mirror image; and,

FIG. 6 is a bottom plan view. 

The ornamental design for a support leg, as shown and described. 